Integrand size = 22, antiderivative size = 35 \[ \int e^{4 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^3 \, dx=\frac {c^3 (1+a x)^6}{3 a}-\frac {c^3 (1+a x)^7}{7 a} \]
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Time = 0.05 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.136, Rules used = {6302, 6275, 45} \[ \int e^{4 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^3 \, dx=\frac {c^3 (a x+1)^6}{3 a}-\frac {c^3 (a x+1)^7}{7 a} \]
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Rule 45
Rule 6275
Rule 6302
Rubi steps \begin{align*} \text {integral}& = \int e^{4 \text {arctanh}(a x)} \left (c-a^2 c x^2\right )^3 \, dx \\ & = c^3 \int (1-a x) (1+a x)^5 \, dx \\ & = c^3 \int \left (2 (1+a x)^5-(1+a x)^6\right ) \, dx \\ & = \frac {c^3 (1+a x)^6}{3 a}-\frac {c^3 (1+a x)^7}{7 a} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.66 \[ \int e^{4 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^3 \, dx=-\frac {c^3 (1+a x)^6 (-4+3 a x)}{21 a} \]
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Time = 0.65 (sec) , antiderivative size = 45, normalized size of antiderivative = 1.29
method | result | size |
gosper | \(-\frac {c^{3} x \left (3 a^{6} x^{6}+14 a^{5} x^{5}+21 a^{4} x^{4}-35 a^{2} x^{2}-42 a x -21\right )}{21}\) | \(45\) |
default | \(c^{3} \left (-\frac {1}{7} a^{6} x^{7}-\frac {2}{3} a^{5} x^{6}-a^{4} x^{5}+\frac {5}{3} a^{2} x^{3}+2 a \,x^{2}+x \right )\) | \(45\) |
risch | \(-\frac {1}{7} a^{6} c^{3} x^{7}-\frac {2}{3} a^{5} c^{3} x^{6}-a^{4} c^{3} x^{5}+\frac {5}{3} a^{2} c^{3} x^{3}+2 a \,c^{3} x^{2}+c^{3} x\) | \(60\) |
parallelrisch | \(-\frac {1}{7} a^{6} c^{3} x^{7}-\frac {2}{3} a^{5} c^{3} x^{6}-a^{4} c^{3} x^{5}+\frac {5}{3} a^{2} c^{3} x^{3}+2 a \,c^{3} x^{2}+c^{3} x\) | \(60\) |
norman | \(\frac {-c^{3} x +a^{4} c^{3} x^{5}-a \,c^{3} x^{2}+\frac {1}{3} a^{2} c^{3} x^{3}+\frac {5}{3} a^{3} c^{3} x^{4}-\frac {1}{3} a^{5} c^{3} x^{6}-\frac {11}{21} a^{6} c^{3} x^{7}-\frac {1}{7} a^{7} c^{3} x^{8}}{a x -1}\) | \(90\) |
meijerg | \(\frac {c^{3} \left (-\frac {a x \left (-45 a^{7} x^{7}-60 a^{6} x^{6}-84 a^{5} x^{5}-126 a^{4} x^{4}-210 a^{3} x^{3}-420 a^{2} x^{2}-1260 a x +2520\right )}{315 \left (-a x +1\right )}-8 \ln \left (-a x +1\right )\right )}{a}-\frac {2 c^{3} \left (-\frac {a x \left (-14 a^{5} x^{5}-21 a^{4} x^{4}-35 a^{3} x^{3}-70 a^{2} x^{2}-210 a x +420\right )}{70 \left (-a x +1\right )}-6 \ln \left (-a x +1\right )\right )}{a}+\frac {2 c^{3} \left (-\frac {a x \left (-3 a x +6\right )}{3 \left (-a x +1\right )}-2 \ln \left (-a x +1\right )\right )}{a}-\frac {2 c^{3} \left (\frac {a x \left (-20 a^{6} x^{6}-28 a^{5} x^{5}-42 a^{4} x^{4}-70 a^{3} x^{3}-140 a^{2} x^{2}-420 a x +840\right )}{-120 a x +120}+7 \ln \left (-a x +1\right )\right )}{a}+\frac {6 c^{3} \left (\frac {a x \left (-3 a^{4} x^{4}-5 a^{3} x^{3}-10 a^{2} x^{2}-30 a x +60\right )}{-12 a x +12}+5 \ln \left (-a x +1\right )\right )}{a}-\frac {6 c^{3} \left (\frac {a x \left (-2 a^{2} x^{2}-6 a x +12\right )}{-4 a x +4}+3 \ln \left (-a x +1\right )\right )}{a}+\frac {2 c^{3} \left (\frac {a x}{-a x +1}+\ln \left (-a x +1\right )\right )}{a}+\frac {c^{3} x}{-a x +1}\) | \(409\) |
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Time = 0.23 (sec) , antiderivative size = 59, normalized size of antiderivative = 1.69 \[ \int e^{4 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^3 \, dx=-\frac {1}{7} \, a^{6} c^{3} x^{7} - \frac {2}{3} \, a^{5} c^{3} x^{6} - a^{4} c^{3} x^{5} + \frac {5}{3} \, a^{2} c^{3} x^{3} + 2 \, a c^{3} x^{2} + c^{3} x \]
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Leaf count of result is larger than twice the leaf count of optimal. 63 vs. \(2 (26) = 52\).
Time = 0.04 (sec) , antiderivative size = 63, normalized size of antiderivative = 1.80 \[ \int e^{4 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^3 \, dx=- \frac {a^{6} c^{3} x^{7}}{7} - \frac {2 a^{5} c^{3} x^{6}}{3} - a^{4} c^{3} x^{5} + \frac {5 a^{2} c^{3} x^{3}}{3} + 2 a c^{3} x^{2} + c^{3} x \]
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Time = 0.19 (sec) , antiderivative size = 59, normalized size of antiderivative = 1.69 \[ \int e^{4 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^3 \, dx=-\frac {1}{7} \, a^{6} c^{3} x^{7} - \frac {2}{3} \, a^{5} c^{3} x^{6} - a^{4} c^{3} x^{5} + \frac {5}{3} \, a^{2} c^{3} x^{3} + 2 \, a c^{3} x^{2} + c^{3} x \]
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Leaf count of result is larger than twice the leaf count of optimal. 78 vs. \(2 (31) = 62\).
Time = 0.26 (sec) , antiderivative size = 78, normalized size of antiderivative = 2.23 \[ \int e^{4 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^3 \, dx=-\frac {{\left (3 \, c^{3} + \frac {35 \, c^{3}}{a x - 1} + \frac {168 \, c^{3}}{{\left (a x - 1\right )}^{2}} + \frac {420 \, c^{3}}{{\left (a x - 1\right )}^{3}} + \frac {560 \, c^{3}}{{\left (a x - 1\right )}^{4}} + \frac {336 \, c^{3}}{{\left (a x - 1\right )}^{5}}\right )} {\left (a x - 1\right )}^{7}}{21 \, a} \]
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Time = 0.04 (sec) , antiderivative size = 59, normalized size of antiderivative = 1.69 \[ \int e^{4 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^3 \, dx=-\frac {a^6\,c^3\,x^7}{7}-\frac {2\,a^5\,c^3\,x^6}{3}-a^4\,c^3\,x^5+\frac {5\,a^2\,c^3\,x^3}{3}+2\,a\,c^3\,x^2+c^3\,x \]
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